iPhone 4 battery drain. Solved.

A quick follow up to http://live.prokhorenko.us/iphone-4-jailbreak-battery-drain

What I tried. Restore to 4.0.1 (not 4.0.2 or you will loose a jailbreak). Jailbreak. Install only MyWi4 from Cydia with Rock, run MyWi4, get the first license, remove MyWi4, install Elpelle6's MyWi4 without Rock, remove Rock - now you've got pretty clean jailbroken iPhone4 with MyWi4 without Rock installed. Run MyWi4 - it will ask you to respring. I told it "Later" and probably that what helps. It does work anyways - I tried it.

The battery runs out a little bit (I still believe MyWi4 is sorta dirty), but it's acceptable - under 5% overnight. Hopefully, it will work for you, too.

# Posted via email from opportunity__cost

iPhone 4 jailbreak battery drain

I have recently used jailbreakme.com to make my iPhone 4 free. However, fairly soon, I've discovered that I have a significant battery drain with it. It took literally overnight to drop my 25% from fully charged one. So I decided to took few tries and find out who's responsible for this leak. On that particular jailbroken version, it was going down to 87% with 30 mins of usage and 3 hr 42 mins of standby time.

The clean restored iPhone stays for 32 mins of usage and 4 hr 47 mins of standby, and goes down to 95% only! That's more than 3 times. Not good.

Next, going thru the jailbreak, not touching Cydia or any apps. iPhone stays for 17 min of usage and 3 hr 35 mins and down to 96% only. Basically, that's a sign that jailbreak indeed doesn't drain the battery.

Next, installing all of the updates that Cydia wants you to. It took me overnight to measure it, but seeing 15 min of usage and 9 hr 33 mins of standby and down to 95% only is clearly a good indicator of no battery drain going on.

The last step was to install MyWi 4.3.4. It comes also with Mobile Subtrate. After spending some time with it - 1 hr 17 mins of usage and 5 hr 45 mins standby - brought my phone down to 78%, which is definitely stands out of the line of "good battery usage". So, either Mobile Subtrate is draining the battery or MyWi didn't do a good job writing an extension to it, and now it eats all he juice.

I'll keep you updated, but I'm already upset so much - the most important reason for me was free tethering - and now I feel that I'm paying too big premium for it.

# Posted via email from opportunity__cost

Tissot

I just received a set of watches batteries to replace them in my Tissot watches. Unfortunately, after trying 3 of them (of 5), I think my good old watches are dead now. Another option is that I was royally f#cked up by getting 5 dead, but sealed batteries. I might double check this by ordering few more, it's a question of a few bucks only. The problem is that I don't know what was the original battery, but I find Energizer 371 (SR69) there, when opened it. However, some sites quoted the movement type to have R377 (SR66) type of battery, or SR626SW, as alternative.

(that's not mine, but pretty much the same)

I had this watches for about 11 or 12 years. This is Tissot 1853 Seastar, two tone (white and gold) with the bracelet and date. Internally, they are running quartz ETA 955.114 (955114) movement. I like them so much. They've been with me for very long period of time, and I replaced the battery there only once. And a mineral glass, replacing it with another mineral one. However, it was two times high of the original one, so it can be polished when the scratches appear.

This is not a decent watches, but very nice looking. So now I about to challenge the close-by watch repair shops to find out what can be done to get them back alive. I know that the movement itself is pretty cheap - one can get it online for less then 25 bucks. Everything else is okay. So just in case if I'll be quoted too much, I might get the new movement and replace it myself (a piece of cake, especially, keeping in mind that they are already dead :).

P.S. Actually, the problem is not with the battery, as I tried a few. None of them worked. So I think it's pretty much something else. As for now, the best thing for me could be to play with movement replacement.

As far as I remember, the ESA/ETA 955.114 is about 20-25 bucks, or can be replaced with the more high end one - ETA F06.111 (replacement for both 955.114 and 955.112).

Otto Frei has it for $16.95 + s&h + taxes, so it's around $25 as well. I might save some money by visiting their store, if it could be an option (however, they're based in Oakland, so toll rate of $4 makes me think twice about visiting the store :).

To replace the movement, I'll also need a hands removing tool and few other things, like a screwdrivers set and potentially something more. By the way, there is a pretty nice manual on replacing the movement yourself. (After reading it, I'm more concerned about the process though. The super-micro-process with hands replacement sounds not that easy.)

I'll think more about this idea. Anyway, looking for a local watch store is not an option anymore. I think it'd be cheaper to buy a new one instead. (Not that much fun, though.)